Jawabanmu

2014-06-06T16:10:19+07:00
Suatu asam punya pH = 4   --->  10^-4
derajat dissosiasi (alfa)= 10^-7
H^+ = a(alfa) X [HA]
10^-4 = 10^-7 [HA]
[HA] = 10^3 M